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https://issues.apache.org/jira/browse/FLINK-11333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Tang reassigned FLINK-11333:
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Assignee: Yun Tang
> First-class support for Protobuf types with evolvable schema
> ------------------------------------------------------------
>
> Key: FLINK-11333
> URL: https://issues.apache.org/jira/browse/FLINK-11333
> Project: Flink
> Issue Type: Sub-task
> Components: Type Serialization System
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Yun Tang
> Priority: Major
>
> I think we have more and more users who are thinking about using Protobuf for
> their state types.
> Right now, Protobuf isn't supported directly in Flink. The only way to use
> Protobuf for a type is to register it via Kryo:
> https://ci.apache.org/projects/flink/flink-docs-release-1.7/dev/custom_serializers.html.
> Likewise for Avro types, we should be able to natively support Protobuf,
> having a {{ProtobufSerializer}} that handles serialization of Protobuf types.
> The serializer should also write necessary information in its snapshot, to
> enable schema evolution for it in the future. For Protobuf, this should
> almost work out-of-the-box.
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